Vacuum cleaner filter adapter ring



FIG. 1 is an isometric view of a vacuum cleaner filter adapter ringshowing our new design;

FIG. 2 is a top plan view thereof, the bottom plan view being a mirrorimage;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is an isometric view thereof, showing the filter adapter ringmounted on an exemplary filter.

In the drawings, broken lines indicate environmental structure orboundaries that form no part of the claimed design.

CLAIM The ornamental design for a vacuum cleaner filter adapter ring, asshown and described.